irssi: Update from 0.8.17 to 0.8.18

packages/irssi/build.sh

@@ -1,10 +1,9 @@
 TERMUX_PKG_HOMEPAGE=http://www.irssi.org/
 TERMUX_PKG_DESCRIPTION="Terminal based IRC client for UNIX systems"
 TERMUX_PKG_DEPENDS="ncurses, openssl, glib, libandroid-glob"
-TERMUX_PKG_VERSION=0.8.17
-# 2015-06-30: Using mirror since main site down:
-# TERMUX_PKG_SRCURL=http://www.irssi.org/files/irssi-${TERMUX_PKG_VERSION}.tar.gz
-TERMUX_PKG_SRCURL=https://fossies.org/linux/privat/irssi-${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_VERSION=0.8.18
+TERMUX_PKG_SRCURL=https://github.com/irssi/irssi/releases/download/${TERMUX_PKG_VERSION}/irssi-${TERMUX_PKG_VERSION}.tar.xz
+TERMUX_PKG_FOLDERNAME=irssi-${TERMUX_PKG_VERSION}
 TERMUX_PKG_BUILD_IN_SRC=yes
 TERMUX_PKG_RM_AFTER_INSTALL=share/irssi/scripts # perl scripts